Below are some photos from recent lightning protection
and mitigation projects undertaken by NLSI.
 |
 |
| Question: How to protect worker,
fuel dispenser and fuel tanks from
lightning?
(Mining company, Peru) |
Client engineers discuss lightning
protection topics for Peruvian
mine during NLSI workshop.
(Mining company, Peru) |
| |
|
 |
 |
| NASA Study Group, Kennedy Space Center Pad 39B. NLSI's R. Kithil with Aerojet's
J. Chai atop launch platform.
(NASA, Kennedy Space Center, Florida) |
Eleven violations of Motorola
R56 in this single photo.
(Adams
County E911 Operations, Denver, Colorado) |
| |
|
 |
 |
| Protection via isolation to
railroad circuits.
(Valero
Refinery, Delaware City, Delaware) |
1250-MW steam power plant went offline
due to lightning. Rosemont sensors required high capacity SPDs as
part of remediation.
(Cottonwood Operating Co., Orange, Texas) |
| |
|
 |
 |
| This earth electrode at a cement plant deemed satisfactory
although NEC 250 calls for 25 ohms.
(Metromount USA, Atlanta, Georgia) |
Rich Kithil, CEO of NLSI, at Sri Lanka lightning workshop. |
| |
|
 |
 |
| Elevated runway of the Dallas-Fort Worth Airport People Mover.
(Dallas, Texas) |
Garage in the Dallas-Fort Worth Airport People Mover.
(Dallas, Texas) |
| |
|
 |
 |
| Explosives handling wharf with overhead shield wires. (Trident
submarine base at Kings Bay, Georgia)
|
NLSI CEO Rich Kithil at NASA's Wallops Island, Virginia site.
NLSI's assignment was at the 01B launch platform. |
| |
|
 |
 |
| Very poor grounding at a storage site.
Tight bend creates unwanted impedance. (NASA, Wallops Island, Virginia) |
Overhead shield wires at a U.S. Navy munitions storage site. |
| |
|
 |
|
| Example of poor grounding at a telecommunications site. |
Evidence of lightning arcing
on communications surge protector as a result of
poor bonding practices. (Mining company, Peru) |
| |
|
|
|
| Very high resistance at air terminal down-conductor
indicates lightning will seek a more favorable path to ground.
Who knows where? (Mining company, Peru) |
Sacrificial tall rods positioned at 120 degrees surround and protect
a solar array and water monitoring system in Florida. |
| |
|
 |
 |
| Verification of earth electrode continuity. (Computer Center,
Cleveland, Ohio) |
Air terminals on roof? Which design? In this case, no design was
best. (Computer Center, Cleveland, Ohio) |
| |
|
 |
 |
| Outdoor worker lightning safety involves detection, notification,
and suspension/resumption of activities, as well as safe shelter.
(Client near Nashville, Tennessee) |
Lightning safety training in Bangladesh. |
| |
|
 |
 |
| Overhead shield wire is best air terminal for control center. (Mining company, Peru) |
Close encounters with unexpected safety issue. (Huntsville, Alabama) |
| |
|
 |
 |
| Signal cable SPD not grounded and ineffective. (Huntsville, Alabama) |
Bus bar grounding wire (at RHS) transits concrete. Alkaline will corrode the wire, causing future problems. (NASA, Kennedy Space Center, Florida) |
